Shopware. (2002). Basic pipefitting skills. Shopware.
Lua i Stíl Chicago (17ú heag.)Shopware. Basic Pipefitting Skills. Monmouth Junction, NJ: Shopware, 2002.
Lua MLA (8ú heag.)Shopware. Basic Pipefitting Skills. Shopware, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.